Finding the latest New York Times Best Seller List topping novel at a bookstore is easy. Finding a first edition of Alice's Adventures in Wonderland? Not so much. Biblio can help.

Biblio is a book search engine which indexes more than 50 million books from over 5,500 independent bookstores. You can find everything from rare first editions—if you want that first edition of Alice's Adventures in Wonderland you'll need to stop using that briefcase full of cash as a monitor stand—to books which are less rare but still definitely out of print. You can search for used, rare, and out of print books as well as textbooks.

For another resource in your book-finding arsenal, check out BookFinder for another excellent search engine for rare and out of print books. If you're a bibliophile with some tips and tricks to share on the topic of hunting down rare books, let's hear about it in the comments below.